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https://issues.apache.org/jira/browse/DIRMINA-1118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905129#comment-16905129
 ] 

Jonathan Valliere commented on DIRMINA-1118:
--------------------------------------------

Only people with special permissions can edit comments.  Don’t worry about
it.

Are you saying that this issue should be closed because it’s not an issue?

On Mon, Aug 12, 2019 at 8:12 AM Christoph John (JIRA) <[email protected]>


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> NPE in SslHandler.checkStatus
> -----------------------------
>
>                 Key: DIRMINA-1118
>                 URL: https://issues.apache.org/jira/browse/DIRMINA-1118
>             Project: MINA
>          Issue Type: Bug
>    Affects Versions: 2.1.3
>            Reporter: Christoph John
>            Priority: Major
>
> Since some days we receive this NPE on our build server when running tests. 
> Interestingly this occurs since OpenJDK has been switched from 8.192 to 
> 8.222. However, it is probably just coincidence.
> {code}
> <20190810-14:45:11, FIX.4.4:ALFA0->ZULU0, error> 
> (java.lang.NullPointerException
> java.lang.NullPointerException
>       at 
> org.apache.mina.filter.ssl.SslHandler.checkStatus(SslHandler.java:539)
>       at 
> org.apache.mina.filter.ssl.SslHandler.messageReceived(SslHandler.java:374)
>       at 
> org.apache.mina.filter.ssl.SslFilter.messageReceived(SslFilter.java:517)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
>       at 
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:49)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:1128)
>       at 
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:122)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:650)
>       at 
> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:643)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:539)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor.access$1200(AbstractPollingIoProcessor.java:68)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1222)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.process(AbstractPollingIoProcessor.java:1211)
>       at 
> org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:683)
>       at 
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748)
> {code}
> https://github.com/apache/mina/blame/2.1.X/mina-core/src/main/java/org/apache/mina/filter/ssl/SslHandler.java#L539
> IMHO when polling a queue then NULL can also be returned.



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